## Essential University Physics: Volume 1 (4th Edition)

We know the following using the forces given: $x = \frac{m(a_y+g)}{k}$ Plugging in the given values, we find: a) $x = \frac{35(0+9.8)}{3400}=10 \ cm$ b) $x = \frac{35(1.9+9.8)}{3400}=12 \ cm$